<script lang="ts" setup name="XtxDialog">
import { onClickOutside } from '@vueuse/core'
import { ref } from 'vue';

// 格式：onClickOutside(dom元素,回调)
// 作用：当在 {dom元素} 之外点击，执行{回调}
const target = ref(null)
onClickOutside(target, () => {
  close()
})

defineProps<{
  title: string,
  modelValue: boolean
}>()
const emit = defineEmits<{
  (e: 'update:modelValue', val: boolean) : void
}>()
// v-model="visible"
// :modelValue + @update:modelValue

const close = () => {
  // 抛出事件 @update:modelValue
  emit('update:modelValue', false)
}
</script>
<template>
  <!-- // teleport是v3中提供新的内置组件 -->
  <!-- 作用；将其中的元素挂载到指定的dom上 -->
  <!-- <teleport to="body"> -->
    <div class="xtx-dialog" v-show="modelValue">
      <div class="wrapper" ref="target">
        <div class="header">
          <h3>{{title}}</h3>
          <a href="JavaScript:;" @click="close" class="iconfont icon-close-new"></a>
        </div>
        <div class="body">
          <slot/>
        </div>
        <div class="footer">
          <slot name="footer">
            <XtxButton type="gray" style="margin-right: 20px">取消</XtxButton>
            <XtxButton type="primary">确认</XtxButton>
          </slot>
        </div>
      </div>
    </div>
  <!-- </teleport> -->
</template>

<style scoped lang="less">
.xtx-dialog {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  z-index: 8887;
  background: rgba(0, 0, 0, 0.5);
  // background: rgba(0, 0, 0, 0);
  // &.fade {
  //   transition: all 0.4s;
  //   background: rgba(0, 0, 0, 0.5);
  // }
  .wrapper {
    width: 600px;
    background: #fff;
    border-radius: 4px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    // transform: translate(-50%, -60%);
    // opacity: 0;
    // &.fade {
    //   transition: all 0.4s;
    //   transform: translate(-50%, -50%);
    //   opacity: 1;
    // }
    .body {
      padding: 20px 40px;
      font-size: 16px;
      .icon-warning {
        color: @priceColor;
        margin-right: 3px;
        font-size: 16px;
      }
    }
    .footer {
      text-align: center;
      padding: 10px 0 30px 0;
    }
    .header {
      position: relative;
      height: 70px;
      line-height: 70px;
      padding: 0 20px;
      border-bottom: 1px solid #f5f5f5;
      h3 {
        font-weight: normal;
        font-size: 18px;
      }
      a {
        position: absolute;
        right: 25px;
        top: 25px;
        font-size: 24px;
        width: 20px;
        height: 20px;
        line-height: 20px;
        text-align: center;
        color: #999;
        &:hover {
          color: #666;
        }
      }
    }
  }
}
</style>